Change pack
Cornerstone Nov 4 - 10 25 questions
PDF (questions) PDF (answers)

Monday 4 November 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Calculate: 6⁄8 + 1⁄8

    Answer: 7⁄8
  2. 2. Algebra

    Solve: 8x - 12 = 68

    Answer: x = 10
  3. 3. Geometry

    Calculate the hypotenuse when a = 11cm and b = 15cm

    Answer: 18.6cm
  4. 4. Ratio

    Divide 112 in the ratio 2:2:3

    Answer: 32, 32 and 48
  5. 5. Statistics

    Find the mean of: 17, 7, 15, 3

    Answer: 10.5

Tuesday 5 November 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄4 + 3⁄6

    Answer: 1⁄1
  2. 2. Algebra

    Solve: 2x + 10 = 26

    Answer: x = 8
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 15cm and 20cm

    Answer: 25cm
  4. 4. Ratio

    Divide 133 in the ratio 2:2:3

    Answer: 38, 38 and 57
  5. 5. Statistics

    Calculate the mean of: 8, 23, 21, 16, 24, 19, 50

    Answer: 23

Wednesday 6 November 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 1⁄3 + 4⁄7

    Answer: 19⁄21
  2. 2. Algebra

    Solve: 5x + 12 = 27

    Answer: x = 3
  3. 3. Geometry

    Calculate the hypotenuse when a = 11cm and b = 8cm

    Answer: 13.6cm
  4. 4. Ratio

    Divide 108 in the ratio 2:1:3

    Answer: 36, 18 and 54
  5. 5. Statistics

    Calculate the mean of: 27, 20, 48, 29, 24, 38, 37, 5

    Answer: 28.5

Thursday 7 November 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 2⁄5 + 2⁄3

    Answer: 16⁄15
  2. 2. Algebra

    Solve: 2x - 6 = 14

    Answer: x = 10
  3. 3. Geometry

    Calculate the hypotenuse when a = 3cm and b = 9cm

    Answer: 9.49cm
  4. 4. Ratio

    Divide 120 in the ratio 1:1:4

    Answer: 20, 20 and 80
  5. 5. Statistics

    Find the mean of: 2, 2, 12, 4, 13

    Answer: 6.6

Friday 8 November 2019

Keystones #1 · Five questions · Open this day only

  1. 1. Number

    Add: 5⁄6 + 2⁄5

    Answer: 37⁄30
  2. 2. Algebra

    Solve: 5x - 11 = 49

    Answer: x = 12
  3. 3. Geometry

    Find the hypotenuse of a right triangle with sides 9cm and 40cm

    Answer: 41cm
  4. 4. Ratio

    Divide 198 in the ratio 3:2:4

    Answer: 66, 44 and 88
  5. 5. Statistics

    Find the mean of: 3, 16, 2, 12

    Answer: 8.25